For drilling, there are usually two situations. One is to process some conventional materials and the Fried Dough Twists bit required by some conventional specifications is to pursue good versatility and high cost performance, while the other is to select a suitable Fried Dough Twists bit for difficult to process materials or difficult to process hole diameters. What I want to talk about here is how to choose a conventional Fried Dough Twists bit?

Fried Dough Twists drill is a commonly used drilling tool. Although its structure is simple, it is not easy to sharpen it. The key lies in mastering the methods and techniques of sharpening, and once mastered, problems will be easily solved.

The Fried Dough Twists drill is a tool for drilling the round hole of a workpiece by rotating and cutting it relative to a fixed axis. It is named because its chip holding groove is in spiral shape like Fried Dough Twists. Generally, spiral grooves have 2, 3, or more grooves, but 2 grooves are more common.

Fried Dough Twists drills are used to drill holes on hand drills, electric drills or machine tools. According to the shape of the clamping part, there are two types: straight handle and tapered handle. According to the function, there are two types: drilling and expanding. In addition, there are ladder Fried Dough Twists drills for drilling before tapping.

Pagoda drill bit is a multi blade metal drill bit suitable for drilling large and shallow holes. It has a larger number of blades, so compared to a single blade drill, it can provide a smoother operating experience and is faster and easier to drill.

Pagoda drill bits are a commonly used metal processing tool, mainly used for drilling holes. Common pagoda drill bits include straight groove and spiral, which have certain differences in structure and use.

For diameters of 20 and above, except for electric screwdriver, please choose a circular three handle handle (electric screwdriver can be used because it has button force control that will not exceed the negative phase).

1. For stainless steel drilling, please choose wear-resistant or cobalt containing type. For speed control, please check the tachometer.
2. Before using the electric drill, slow down the speed. The larger the diameter, the slower the speed, with a speed of ≥ 800r/min.